aluminium profile aluminium tube aluminum pipe standard aluminium profile aluminium round tube aluminum round pipe aluminium square tubealuminium rectangle tube1, ... 6463,6082…2,The processing methods including: Aluminium profile extruding,Precise cutting,Straight rectification,Bending,Drilling, ... ,oxidation,powder coating,electrophoresis…4,Meet the China national standard GB/T6892-2006 and Europe ...